Position in INSM
as of Mar 31, 2026
· filed May 4, 2026
Position Value
$5,947,712
+$351,456 QoQ
Shares Held
36,373
+13.1% QoQ
Ownership
0.017%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
12 quarters on record
Voting authority
Sole 97.59986803398125.ToString("F0")%
Shared 0.ToString("F0")%
None 2.4001319660187503.ToString("F0")%
Common Shares in INSM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Calamos Advisors LLC holds $103,200,124 across 23 Biotechnology names. INSM ranks #4 (5.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
77,886 | $34,779,214 | |
| 2 | RPRX |
Royalty Pharma plc
|
437,090 | $20,967,207 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
11,793 | $9,111,743 | |
| 4 | INSM |
INSMED Inc
This page
|
36,373 | $5,947,712 | |
| 5 | HALO |
Halozyme Therapeutics, Inc.
|
73,600 | $4,756,768 | |
| 6 | LGND |
Ligand Pharmaceuticals Inc
|
20,860 | $4,164,698 | |
| 7 | ASND |
Ascendis Pharma A/S
|
15,390 | $3,520,154 | |
| 8 | TARS |
Tarsus Pharmaceuticals, Inc.
|
43,832 | $3,074,814 |
All Filings in INSM
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12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,947,712 | 36,373 | Shares | Other | 2026-05-04 | |
| 2025-12-31 | $5,596,256 | 32,155 | Shares | Sole | 2026-01-29 | |
| 2025-09-30 | $5,071,311 | 35,215 | Shares | Other | 2025-10-20 | |
| 2025-06-30 | $2,309,888 | 22,952 | Shares | Other | 2025-08-08 | |
| 2025-03-31 | $2,998,272 | 39,301 | Shares | Sole | 2025-04-29 | |
| 2024-12-31 | $923,479 | 13,376 | Shares | Other | 2025-01-24 | |
| 2024-09-30 | $2,064,148 | 28,276 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $1,690,343 | 25,229 | Shares | Other | 2024-07-25 | |
| 2024-03-31 | $291,294 | 10,737 | Shares | Sole | 2024-05-08 | |
| 2022-09-30 | $1,608,863 | 74,692 | Shares | Sole | 2022-10-24 | |
| 2020-12-31 | $1,752,084 | 52,631 | Shares | Other | 2021-01-27 | |
| 2020-09-30 | $2,210,042 | 68,763 | Shares | Other | 2020-10-26 | |
| No filing history on record for this holder in this stock. | ||||||